The Objective Patient Assessment

Introduction to the Objective Assessment

The objective assessment usually follows the subjective assessment, where the clinician gathers the patient’s reported symptoms, history, and concerns. In urgent or unstable situations, clinicians may begin with a focused objective assessment first to identify immediate threats to airway, breathing, circulation, neurologic status, or safety.

Objective assessment findings include what a clinician can directly observe, measure, inspect, palpate, percuss, or auscultate. Patient-reported symptoms, such as “I feel dizzy” or “my pain is 8 out of 10,” are subjective data and should be documented separately from objective findings.

Which items are considered components of the objective assessment?

Common components of the objective assessment include:

• General appearance, posture, mobility, speech, and level of distress
• Vital signs, oxygen use, respiratory effort, and work of breathing
• Level of consciousness, orientation, pupils, movement, and strength symmetry
• Heart sounds, lung sounds, pulses, capillary refill, skin temperature, and edema
• Abdominal inspection, bowel sounds, tenderness, and distension
• Urine appearance, catheter drainage, IV site condition, and safety risks

Information that does not count as objective data includes symptoms the patient reports, such as pain, nausea, dizziness, shortness of breath, or fatigue, unless the clinician also observes or measures related findings.

Clinicians often organize physical assessment using the IPPA framework: inspection, palpation, percussion, and auscultation. The order can vary by body system; for example, abdominal assessment usually places auscultation before palpation or percussion so bowel sounds are not altered before they are heard.

The system-by-system objective assessment in this article includes:

• Neurological assessment
• Cardiovascular assessment
• Respiratory assessment
• Gastrointestinal assessment
• Genitourinary assessment
• IV site assessment
• Safety assessment

Health Assessment: The General Survey and Subjective Data

This video reviews the general survey and subjective data collection. It fits here because understanding subjective information first helps clarify what belongs in the objective assessment and what should be documented separately.

The Neurological Assessment

To perform a neurological assessment, a clinician checks:

• The level of consciousness, or how awake the patient is.
• Mental status, or whether they are oriented or confused.
• PERRLA, meaning “pupils, equal, round, reactive to, light, and accommodation.”
• Extraocular movements, or the six cardinal fields of gaze. They’re either intact or not.
• Pupil size and symmetry, documented in millimeters when possible, along with whether pupils are equal and reactive.
• Grip strength and leg strength. Clinicians aren’t checking for strength. Instead, they want to ensure the patient’s grip is equal on both sides. If it is unequal, the patient may be experiencing a stroke.

Orientation Questions and Expected Findings

Orientation is documented based on what the clinician observes and the patient’s responses to basic questions. A normal finding is often documented as alert and oriented to person, place, time, and situation.

• Person: the patient can state their name or identify who they are.
• Place: the patient can identify where they are, such as the hospital or clinic.
• Time: the patient can state the current month, year, or approximate date.
• Situation: the patient can explain why they are receiving care.

The following dialogue is a hypothetical neurological assessment between a nurse and a patient named William. 

The nurse first assesses the level of consciousness and finds that William is very awake and alert in his hospital bed. 

Next, the nurse assesses mental status, asking questions orienting to person, place, time, and situation. The conversation might sound like this:

Nurse: Can you tell me your name?

Patient: William.

Nurse: Can you tell me the month and year?

Patient: September 2020.

Nurse: Can you tell me where you are right now?

Patient: The hospital.

Nurse: What brought you into the hospital?

Patient: A basketball injury.

Sometimes, the patient may be unable to tell the clinician what happened to them, indicating they’re not oriented to the situation.

As part of the neurological assessment, a clinician checks if the patient is oriented to person, place, time, and situation.

Next is PERRLA. The nurse has the patient look at their nose while shining a penlight in the patient’s eyes. The patient must look at the nurse’s nose to protect their eyes from the light. The following are tips for performing PERRLA:

• Come in from one side of the face and shine the light at the patient’s eye, making sure the pupil constricts before repeating with the other eye.
• Check pupil size to see if the pupils equally contract to light, satisfying PERRLA’s “reactive to light” requirement.
• Have the patient focus on a close-up object that is gradually moved away from them. Checks the pupils for dilation as the object moves away. As it moves closer, the patient’s pupils should constrict. 
• Finally, check for extraocular movements (EOMs) using the six cardinal fields of gaze. The patient follows the pen up and down, to the sides, and then diagonally. If the patient follows the pen without moving their head, their EOMs are intact.

During the PERRLA assessment, pupils constrict when exposed to a penlight.

Next, the nurse checks grips and leg strength. They ask the patient to squeeze their hands, checking for equality of strength. The nurse asks the patient to push their feet against the physician’s hands, again checking for equality of strength. A patient exhibiting unequal hand or feet strength may be experiencing a stroke, so it’s important the nurse checks both. For a complete 5-step breakdown of this process, review our dedicated guide on how to do a neurological assessment.

Documentation should focus on objective findings such as level of consciousness, orientation, pupil size and reactivity, extraocular movements, facial symmetry when assessed, grip strength equality, leg strength equality, and any abnormal finding that requires escalation.

The Cardiovascular Assessment

To perform a cardiovascular assessment, the clinician will:

• Listen to the heart sounds.
• Feel for peripheral pulses.
• Feel skin temperature and moisture.
• Inspect skin color and overall perfusion cues. Pale, gray, mottled, blue, or unusually dusky skin may suggest a perfusion or oxygenation concern and should be evaluated in context.
• Check capillary refill time, which is ideally fewer than three seconds.

Heart Sounds

A clinician listens to five places for heart sounds:

1. Aortic
2. Pulmonic
3. Erb’s point
4. Tricuspid
5. Mitral

Clinicians should place their stethoscope where that particular valve sends blood. Abnormalities in these auscultation areas may indicate heart valve problems, which can produce murmurs or altered heart sounds during cardiovascular assessment. For example, they place the stethoscope at the aortic point to listen to the aortic valve. The mitral valve is the point of maximum impulse, and it’s where physicians listen for an apical pulse.

Next, the clinician documents if there are any murmurs. If there aren’t, they document S1 and S2 noted without a murmur.

Heart auscultation involves listening to the valves.

Read: Health Assessment: The General Survey and Subjective Data

Peripheral Pulses

To check the peripheral pulse, clinicians assess the radial pulse on a scale of one to four. A one is weak and thready while a four is pounding.

Pulse grading depends on the scale used, the patient’s baseline, limb temperature, perfusion, and clinical context. A 2+ pulse is commonly used to describe a normal or expected pulse on many four-point scales, but clinicians should compare both sides and document the actual grade used by their facility.

Clinicians feel for pedal pulses on top of the bone at the top of the foot. If a pulse isn’t felt, they feel for the posterior tibial pulse, which is on the inner part of the ankle. If there’s no posterior tibial pulse, the clinician must use a doppler. 

What if pulses are not palpable?

• Reposition the limb and make sure the patient is relaxed.
• Compare the same pulse location on the opposite side.
• Check skin temperature, color, capillary refill, pain, sensation, and movement.
• Try a second distal pulse location, such as posterior tibial if dorsalis pedis is not palpable.
• Use a Doppler when a pulse cannot be palpated or when circulation is unclear.
• Escalate promptly if absent pulses are new, unilateral, associated with pain, coolness, numbness, weakness, or other perfusion concerns.

While checking pedal pulse, clinicians should also feel for peripheral edema. Edema is generally most prominent around the ankle area.

Clinicians feel for the dorsalis pedis or posterior tibial when checking for pedal pulses.

Skin Temperature and Moisture

The next part of the cardiovascular assessment is skin temperature and moisture. Warm, dry skin may be reassuring in the right context, while cool, clammy, mottled, pale, dusky, or unusually moist skin may suggest a perfusion concern that needs further evaluation.

Cyanosis and other color changes can appear differently across skin tones. In darker skin, clinicians may need to assess the lips, oral mucosa, tongue, nail beds, palms, soles, conjunctiva, and overall appearance rather than relying on one visible color change alone.

Capillary Refill Time

Clinicians check capillary refill time by applying pressure to the fingertip or nail bed until blanching occurs, then releasing and watching how quickly color returns. A refill time of about three seconds or less is often considered reassuring, while delayed refill may suggest decreased peripheral perfusion.

Capillary refill should be interpreted in context because temperature, lighting, age, skin tone, shock state, vascular disease, and assessment technique can affect the finding. It should be documented alongside pulse quality, skin temperature, mental status, blood pressure, oxygenation, and the overall clinical picture.

Cardiovascular documentation should summarize heart sounds, presence or absence of murmurs when assessed, pulse location and grade, edema, skin temperature and moisture, skin color or perfusion concerns, and capillary refill time.

Respiratory Assessment

Clinicians listen to lung sounds when performing a respiratory assessment. If the patient cannot sit forward, clinicians should assess as much of the posterior, lateral, and anterior chest as the patient’s condition safely allows.

Clinicians should compare lung sounds bilaterally and ask the patient to breathe through the mouth when possible to amplify sound. Assessment often begins near the upper back and progresses side to side. The right lung has three lobes, while the left lung has two lobes.

The right lung has three lobes, while the left lung has two lobes.

Respiratory Documentation Checklist

• Respiratory rate and pattern
• Work of breathing and use of accessory muscles
• Presence or absence of respiratory distress
• Lung sounds in assessed areas, including clear, diminished, crackles, wheezes, or rhonchi
• Symmetry of breath sounds
• Oxygen delivery device and flow rate, or room air status
• Oxygen saturation when available
• Cough, sputum, chest expansion, or positioning concerns when relevant

Understanding a BLS Assessment

This video reviews the basic life support assessment approach, including rapid recognition of breathing and circulation concerns. It fits this section because respiratory findings can quickly change the urgency and focus of the objective assessment.

Gastrointestinal Assessment

The GI assessment is unique because abdominal assessment usually places auscultation before palpation or percussion. This helps prevent palpation or percussion from changing bowel sounds before they are heard.

The abdominal region is divided into four quadrants. Right and left are based on the patient’s orientation.

To perform a GI assessment:

• Inspect the abdominal area for contour, distension, scars, visible movement, discoloration, or other abnormal findings.
• Auscultate bowel sounds before palpation or percussion, documenting sounds as active, hypoactive, hyperactive, or absent according to facility policy.
• Percuss if included in the assessment to evaluate tone or areas of dullness, following local training and scope.
• Palpate the abdomen last and document tenderness, guarding, rigidity, masses, or distension when present.

Visible peristalsis or abnormal bowel sounds may suggest a GI process that needs further evaluation, but findings should be interpreted with the patient’s symptoms, history, vital signs, and provider assessment. If the GI assessment is normal, clinicians may document findings such as “bowel sounds active in all four quadrants, abdomen soft and nontender to palpation,” when accurate.

Genitourinary Assessment

To perform a genitourinary assessment, clinicians palpate for bladder distension if the patient has trouble voiding.

If the patient has a Foley catheter, clinicians observe the urine to document its color and character. Physicians should note whether it is amber, cloudy, clear, or yellow, as well as if the urine drains to the bedside bag. If the patient uses a urinal, clinicians still document the urine’s color and character.

A foley catheter is a tube inserted into the bladder to drain urine.

Assessment of the IV Site

Clinicians check the IV site for signs of infection. They document if the IV site has any redness, edema, or pain which indicates infection or infiltration. 

Physicians will also document what type of IV fluids are infusing and verify that the IV is patent and that medications and fluids are flowing as intended through it.

A red, swollen, or painful IV site may indicate an infection.

Safety Assessments

To finish the documentation and safety assessment, clinicians ensure:

• The bed is in the lowest locked position.
• The side rails are up on both sides of the bed.
• The call light is in reach.
• The patient is not in pain or with other unmet needs.
• All fall precautions are present.
• The bed alarm is active and the patient’s bracelet is on.

Summary

Clinicians perform an objective assessment to collect observable and measurable findings, beginning with the general survey and continuing through system-specific evaluations. The assessments performed include neurological, cardiovascular, respiratory, gastrointestinal, genitourinary, IV site, and safety assessments.

The boundary is important: subjective data is what the patient reports, while objective findings are what the clinician observes, measures, inspects, palpates, percusses, or auscultates. The final output of the objective assessment is clear documentation that describes normal findings, abnormal findings, changes from baseline, and any concerns that require follow-up or escalation.